||Blade Runner: What Kind of Objects are there in the JVO ALMA Archive?
||512, Astronomical Data Analysis Software and Systems XXV
||Eguchi, S.; Shirasaki, Y.; Zapart, C.; Ohishi, M.; Mizumoto, Y.; Kawasaki, W.; Kobayashi, T.; Kosugi, G.
||The JVO ALMA Archive provides users one of the easiest ways to access the ALMA archival data.
The users can have a quick look at a 3 or 4-dimensional data cube without downloading
multiple huge tarballs from a science portal of ALMA Regional Centers (ARCs).
Since we just synchronize all datasets with those of ARCs,
the metadata are identical to the upstream, including “target name” for each dataset.
The name is not necessarily a common one like NGC numbers, but sometimes one of sequential
numbers assigned in an observation proposal.
Compilation of these artificial names into astronomical ones could provide users more flexible
and powerful search interfaces;
for instance, with the knowledge of the redshift for each source, the users can easily find
the datasets which observed their interested emission/absorption lines at not the observer
frame but the rest frame, fitting well with theoretical studies.
To implement this functionality, cross-identification of all the sources in our archive with
those in some other astronomical databases such as NED and SIMBAD is required.
We developed a tiny Java application named “Blade Runner” for this purpose.
The program works as a crawler for both the JVO ALMA Archive and SIMBAD, storing all information
onto a SQLite-based database file;
this portable design enables us to communicate results to each other even under different
In this paper, we introduce its software design and our recent work on the application,
and report a preliminary result on the source identification in our archive.